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It has been documented that we avoid "VAR=VAL shell_func" and why.
* jc/doc-one-shot-export-with-shell-func:
CodingGuidelines: document a shell that "fails" "VAR=VAL shell_func"
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Another reftable test has been ported to use the unit test framework.
* cp/unit-test-reftable-merged:
t-reftable-merged: add test for REFTABLE_FORMAT_ERROR
t-reftable-merged: use reftable_ref_record_equal to compare ref records
t-reftable-merged: add tests for reftable_merged_table_max_update_index
t-reftable-merged: improve the const-correctness of helper functions
t-reftable-merged: improve the test t_merged_single_record()
t: harmonize t-reftable-merged.c with coding guidelines
t: move reftable/merged_test.c to the unit testing framework
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A CI job that use clang-format to check coding style issues in new
code has been added.
* kn/ci-clang-format:
ci/style-check: add `RemoveBracesLLVM` in CI job
check-whitespace: detect if no base_commit is provided
ci: run style check on GitHub and GitLab
clang-format: formalize some of the spacing rules
clang-format: avoid spacing around bitfield colon
clang-format: indent preprocessor directives after hash
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"git checkout --ours" (no other arguments) complained that the
option is incompatible with branch switching, which is technically
correct, but found confusing by some users. It now says that the
user needs to give pathspec to specify what paths to checkout.
* jc/checkout-no-op-switch-errors:
checkout: special case error messages during noop switching
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"git add -p" by users with diff.suppressBlankEmpty set to true
failed to parse the patch that represents an unmodified empty line
with an empty line (not a line with a single space on it), which
has been corrected.
* pw/add-patch-with-suppress-blank-empty:
add-patch: use normalize_marker() when recounting edited hunk
add-patch: handle splitting hunks with diff.suppressBlankEmpty
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A build tweak knob has been simplified by not setting the value
that is already the default; another unused one has been removed.
* rj/make-cleanup:
config.mak.uname: remove unused uname_P variable
Makefile: drop -Wno-universal-initializer from SP_EXTRA_FLAGS
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Doc update.
* jt/doc-post-receive-hook-update:
doc: clarify post-receive hook behavior
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Many Porcelain commands that internally use the merge machinery
were taught to consistently honor the diff.algorithm configuration.
* ad/merge-with-diff-algorithm:
merge-recursive: honor diff.algorithm
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Unit test clean-up.
* rs/t-strvec-use-test-msg:
t-strvec: fix type mismatch in check_strvec
t-strvec: improve check_strvec() output
t-strvec: use test_msg()
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All the Perforce tests are free of memory leaks. This went unnoticed
because most folks do not have p4 and p4d installed on their computers.
Consequently, given that the prerequisites for running those tests
aren't fulfilled, `TEST_PASSES_SANITIZE_LEAK=check` won't notice that
those tests are indeed memory leak free.
Mark those tests accordingly.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Update our Perforce version from r21.2 to r23.2. Note that the updated
version is not the newest version. Instead, it is the last version where
the way that Perforce is being distributed remains the same as in r21.2.
Newer releases stopped distributing p4 and p4d executables as well as
the macOS archives directly and would thus require more work.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Some of the tests in t98xx modify the Perforce depot in ways that the
tool wouldn't normally allow. This is done to test behaviour of git-p4
in certain edge cases that we have observed in the wild, but which
should in theory not be possible.
Naturally, modifying the depot on disk directly is quite intimate with
the tool and thus prone to breakage when Perforce updates the way that
data is stored. And indeed, those tests are broken nowadays with r23 of
Perforce. While a file revision was previously stored as a plain file
"depot/file,v", it is now stored in a directory "depot/file,d" with
compression.
Adapt those tests to handle both old- and new-style depot layouts.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When Git adds a file requiring encoding conversion and tracing of encoding
conversion is not requested via the GIT_TRACE_WORKING_TREE_ENCODING
environment variable, the `trace_encoding()` function still allocates &
prepares "human readable" copies of the file contents before and after
conversion to show in the trace. This results in a high memory footprint
and increased runtime without providing any user-visible benefit.
This fix introduces an early exit from the `trace_encoding()` function
when tracing is not requested, preventing unnecessary memory allocation
and processing.
Signed-off-by: D Harithamma <harithamma.d@ibm.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Our coding guide is inconsistent with how it uses spaces inside of
initializers (`struct foo bar = { something }`). While we mostly carry
the space between open and closing braces and the initialized members,
in one case we don't.
Fix this one instance such that we consistently carry the space. This is
also consistent with how clang-format formats such initializers.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We semi-regularly have discussions around whether a function shall be
named `S_release()`, `S_clear()` or `S_free()`. Indeed, it may not be
obvious which of these is preferable as we never really defined what
each of these variants means exactly.
Carve out a space where we can add idiomatic names for common functions
in our coding guidelines and define each of those functions. Like this,
we can get to a shared understanding of their respective semantics and
can easily point towards our style guide in future discussions such that
our codebase becomes more consistent over time.
Note that the intent is not to rename all functions which violate these
semantics right away. Rather, the intent is to slowly converge towards a
common style over time.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We nowadays have a proper mishmash of struct-related functions that are
called `<verb>_<struct>` (e.g. `clear_prio_queue()`) versus functions
that are called `<struct>_<verb>` (e.g. `strbuf_clear()`). While the
former style may be easier to tie into a spoken conversation, most of
our communication happens in text anyway. Furthermore, prefixing
functions with the name of the structure they operate on makes it way
easier to group them together, see which functions are related, and will
also help folks who are using code completion.
Let's thus settle on one style, namely the one where functions start
with the name of the structure they operate on.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In the preceding commit, we have settled on using a single space per
nesting level to indent preprocessor directives. Clarify our coding
guidelines accordingly.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In [1], we have improved our clang-format configuration to also specify
the style for how to indent preprocessor directives. But while we have
settled the question of where to put the indentation, either before or
after the hash sign, we didn't specify exactly how to indent.
With the current configuration, clang-format uses tabs to indent each
level of nested preprocessor directives, which is in fact unintentional
and never done in our codebase. Instead, we use a mixture of indenting
by either one or two spaces, where using a single space is somewhat more
common.
Adapt our clang-format configuration accordingly by specifying an
indentation width of one space.
[1]: <20240708092317.267915-1-karthik.188@gmail.com>
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* kn/ci-clang-format:
ci/style-check: add `RemoveBracesLLVM` in CI job
check-whitespace: detect if no base_commit is provided
ci: run style check on GitHub and GitLab
clang-format: formalize some of the spacing rules
clang-format: avoid spacing around bitfield colon
clang-format: indent preprocessor directives after hash
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Convert the reftable ref backend to stop using `the_repository` in favor
of the repo that gets passed in via `struct ref_store`.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Convert the packed ref backend to stop using `the_repository` in favor
of the repo that gets passed in via `struct ref_store`.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Convert the files ref backend to stop using `the_repository` in favor of
the repo that gets passed in via `struct ref_store`.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We implicitly rely on `the_repository` in `parse_loose_ref_contents()`
by calling `parse_oid_hex()`. Convert the function to instead use
`parse_oid_hex_algop()` and have callers pass in the hash algorithm to
use.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Convert "refs.c" to stop using `the_repository` in favor of the repo
that gets passed in via `struct ref_store`.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The macro TEST takes a single expression. If a test requires multiple
statements then they need to be placed in a function that's called in
the TEST expression.
Remove the cognitive overhead of defining and calling single-use
functions by using if_test instead.
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The macro TEST takes a single expression. If a test requires multiple
statements then they need to be placed in a function that's called in
the TEST expression.
Remove the overhead of defining and calling single-use functions by
using if_test instead.
Run the tests in the order of definition. We can reorder them like that
because they are independent. Technically this changes the output, but
retains the meaning of a full run and allows for easier review e.g. with
diff option --ignore-all-space.
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Use the documented macro if_test instead of the internal functions
test__run_begin() and test__run_end(), which are supposed to be private
to the unit test framework.
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The macro TEST only allows defining a test that consists of a single
expression. Add a new macro, if_test, which provides a way to define
unit tests that are made up of one or more statements.
if_test allows defining self-contained tests en bloc, a bit like
test_expect_success does for regular tests. It acts like a conditional;
the test body is executed if test_skip_all() had not been called before.
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Checks outside of tests are caught at runtime and reported like this:
Assertion failed: (ctx.running), function test_assert, file test-lib.c, line 267.
The assert() call aborts the unit test and doesn't reveal the location
or even the type of the offending check, as test_assert() is called by
all of them.
Handle it like the opposite case, a test without any checks: Don't
abort, but report the location of the actual check, along with a message
explaining the situation. The output for example above becomes:
# BUG: check outside of test at t/helper/test-example-tap.c:75
... and the unit test program continues and indicates the error in its
exit code at the end.
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Improve the readability of the expected output by using a here-doc for
the test body and replacing the unwieldy ${SQ} references with literal
single quotes.
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The test_msg() calls only repeat information already present in test
descriptions and check definitions, which are shown automatically if
the checks fail. Remove the redundant messages to simplify the tests
and their output. Here it is with all of them failing before:
# check "ret == NULL" failed at t/unit-tests/t-example-decorate.c:18
# when adding a brand-new object, NULL should be returned
# check "ret == NULL" failed at t/unit-tests/t-example-decorate.c:21
# when adding a brand-new object, NULL should be returned
not ok 1 - Add 2 objects, one with a non-NULL decoration and one with a NULL decoration.
# check "ret == &vars->decoration_a" failed at t/unit-tests/t-example-decorate.c:29
# when readding an already existing object, existing decoration should be returned
# check "ret == NULL" failed at t/unit-tests/t-example-decorate.c:32
# when readding an already existing object, existing decoration should be returned
not ok 2 - When re-adding an already existing object, the old decoration is returned.
# check "ret == NULL" failed at t/unit-tests/t-example-decorate.c:40
# lookup should return added declaration
# check "ret == &vars->decoration_b" failed at t/unit-tests/t-example-decorate.c:43
# lookup should return added declaration
# check "ret == NULL" failed at t/unit-tests/t-example-decorate.c:46
# lookup for unknown object should return NULL
not ok 3 - Lookup returns the added declarations, or NULL if the object was never added.
# check "objects_noticed == 2" failed at t/unit-tests/t-example-decorate.c:58
# left: 1
# right: 2
# should have 2 objects
not ok 4 - The user can also loop through all entries.
1..4
... and here with the patch applied:
# check "ret == NULL" failed at t/unit-tests/t-example-decorate.c:18
# check "ret == NULL" failed at t/unit-tests/t-example-decorate.c:20
not ok 1 - Add 2 objects, one with a non-NULL decoration and one with a NULL decoration.
# check "ret == &vars->decoration_a" failed at t/unit-tests/t-example-decorate.c:27
# check "ret == NULL" failed at t/unit-tests/t-example-decorate.c:29
not ok 2 - When re-adding an already existing object, the old decoration is returned.
# check "ret == NULL" failed at t/unit-tests/t-example-decorate.c:36
# check "ret == &vars->decoration_b" failed at t/unit-tests/t-example-decorate.c:38
# check "ret == NULL" failed at t/unit-tests/t-example-decorate.c:40
not ok 3 - Lookup returns the added declarations, or NULL if the object was never added.
# check "objects_noticed == 2" failed at t/unit-tests/t-example-decorate.c:51
# left: 1
# right: 2
not ok 4 - The user can also loop through all entries.
1..4
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When "git daemon" enters a repository, it chdir's to the requested
repository and then uses "." (the curent directory) to consult the
"is this repository considered safe?" when it is not owned by the
same owner as the process.
Make sure this access will be allowed by setting safe.directory to
".", as that was once advertised on the list as a valid workaround
to the overly tight safe.directory settings introduced by 2.45.1
(cf. <834862fd-b579-438a-b9b3-5246bf27ce8a@gmail.com>).
Also add simlar test to show what happens in the same setting if the
safe.directory is set to "*" instead of "."; in short, "." is a bit
tighter (as it is custom designed for git-daemon situation) than
"anything goes" settings given by "*".
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The pathname of a repository comes from getcwd() and it could be a
path aliased via symbolic links, e.g., the real directory may be
/home/u/repository but a symbolic link /home/u/repo may point at it,
and the clone request may come as "git clone file:///home/u/repo/"
A request to check if /home/u/repository is safe would be rejected
if the safe.directory configuration allows /home/u/repo/ but not its
alias /home/u/repository/. Normalize the paths configured for the
safe.directory configuration variable before comparing them with the
path being checked.
Two and a half things to note, compared to the previous step to
normalize the actual path of the suspected repository, are:
- A configured safe.directory may be coming from .gitignore in the
home directory that may be shared across machines. The path
meant to match with an entry may not necessarily exist on all of
such machines, so not being able to convert them to real path on
this machine is *not* a condition that is worthy of warning.
Hence, we ignore a path that cannot be converted to a real path.
- A configured safe.directory is essentially a random string that
user throws at us, written completely unrelated to the directory
the current process happens to be in. Hence it makes little
sense to give a non-absolute path. Hence we ignore any
non-absolute paths, except for ".".
- The safe.directory set to "." was once advertised on the list as
a valid workaround for the regression caused by the overly tight
safe.directory check introduced in 2.45.1; we treat it to mean
"if we are at the top level of a repository, it is OK".
(cf. <834862fd-b579-438a-b9b3-5246bf27ce8a@gmail.com>).
Suggested-by: Phillip Wood <phillip.wood123@gmail.com>
Helped-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The pathname of a repository comes from getcwd() and it could be a
path aliased via symbolic links, e.g., the real directory may be
/home/u/repository but a symbolic link /home/u/repo may point at it,
and the clone request may come as "git clone file:///home/u/repo/".
A request to check if /home/u/repo is safe would be rejected if the
safe.directory configuration allows /home/u/repository/ but not its
alias /home/u/repo/. Normalize the path being checked before
comparing with safe.directory value(s).
Suggested-by: Phillip Wood <phillip.wood123@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The paths given in the safe.directory configuration variable are
allowed to contain "~user" (which interpolates to user's home
directory) and "%(prefix)" (which interpolates to the installation
location in RUNTIME_PREFIX-enabled builds, and a call to the
git_config_pathname() function is tasked to obtain a copy of the
path with these constructs interpolated.
The function, when it succeeds, always yields an allocated string in
the location given as the out-parameter; even when there is nothing
to interpolate in the original, a literal copy is made. The code
path that contains this caller somehow made two contradicting and
incorrect assumptions of the behaviour when there is no need for
interpolation, and was written with extra defensiveness against
two phantom risks that do not exist.
One wrong assumption was that the function might yield NULL when
there is no interpolation. This led to the use of an extra "check"
variable, conditionally holding either the interpolated or the
original string. The assumption was with us since 8959555c
(setup_git_directory(): add an owner check for the top-level
directory, 2022-03-02) originally introduced the safe.directory
feature.
Another wrong assumption was that the function might yield the same
pointer as the input when there is no interpolation. This led to a
conditional free'ing of the interpolated copy, that the conditional
never skipped, as we always received an allocated string.
Simplify the code by removing the extra defensiveness.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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4aa2c4753d (grep: -W: don't extend context to trailing empty lines,
2016-05-28) stopped showing empty lines at the end of function context
when using -W. Do the same for trailing empty lines at the end of
files, for consistency -- it doesn't matter whether a function section
is ended by the next function or the end of the file.
Test it by adding a trailing empty line to the file used by the test
"grep -W" and leave its expected output the same.
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The get_one_patchid() function unconditionally takes a line that
matches the patch header (namely, a line that begins with a full
object name, possibly prefixed by "commit" or "From" plus a space)
as the beginning of a patch. Even when it is *not* looking for one
(namely, when the previous call found the patch header and returned,
and then we are called again to skip the log message and process the
patch whose header was found by the previous invocation).
As a consequence, a line in the commit log message that begins with
one of these patterns can be mistaken to start another patch, with
current message entirely skipped (because we haven't even reached
the patch at all).
Allow the caller to tell us if it called us already and saw the
patch header (in which case we shouldn't be looking for another one,
until we see the "diff" part of the patch; instead we simply should
be skipping these lines as part of the commit log message), and skip
the header processing logic when that is the case. In the helper
function, it also needs to flip this "are we looking for a header?"
bit, once it finished skipping the commit log message and started
processing the patches, as the patch header of the _next_ message is
the only clue in the input that the current patch is done.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The get_one_patchid() function reads input lines until it finds a
patch header (the line that begins a patch), whose beginning is one
of:
(1) an "<object name>", which is what "git diff-tree --stdin" shows;
(2) "commit <object name>", which is what "git log" shows; or
(3) "From <object name>", which is what "git log --format=email" shows.
When it finds such a line, it returns to the caller, reporting the
<object name> it found, and the size of the "patch" it processed.
The caller then calls the function again, which then ignores the
commit log message, and then processes the lines in the patch part
until it hits another "beginning of a patch".
The above logic was fairly easy to see until 2bb73ae8 (patch-id: use
starts_with() and skip_prefix(), 2016-05-28) reorganized the code,
which made another logic that has nothing to do with the "where does
the next patch begin?" logic, which came from 2485eab5
(git-patch-id: do not trip over "no newline" markers, 2011-02-17)
that ignores the "\ No newline at the end", rolled into the same
single if() statement.
Let's split it out. The "\ No newline at the end" marker is part of
the patch, should not appear before we start reading the patch part,
and does not belong to the detection of patch header.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We pass two independent Boolean flags (i.e. do we want the stable
variant of patch-id? do we want to hash the stuff verbatim?) into
the function as two separate parameters. Before adding the third
one and make the interface even wider, let's consolidate them into
a single flag word.
No changes in behaviour. Just a trivial interface change.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The caller passes a flag that is used to become no-op when calling
flush_current_id(). Instead of calling something that becomes a
no-op, teach the caller not to call it in the first place.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git patch-id" was first developed to read from "git diff-tree
--stdin -p" output. Later it was enhanced to read from "git
diff-tree --stdin -p -v", which was the downstream of an early
imitation of "git log" ("git rev-list" run in the upstream of a pipe
to feed the "diff-tree"). These days, we also read from "git
format-patch".
Their output begins slightly differently, but the patch-id computed
over them for the same commit should be the same. Ensure that we
won't accidentally break this expectation.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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With "git notes add -C $blob", the given blob contents are to be made
into a note without involving an editor. But when "--allow-empty" is
given, the editor is invoked, which can cause problems for
non-interactive callers[1].
This behaviour started with 90bc19b3ae (notes.c: introduce
'--separator=<paragraph-break>' option, 2023-05-27), which changed
editor invocation logic to check for a zero length note_data buffer.
Restore the original behaviour of "git note" that takes the contents
given via the "-m", "-C", "-F" options without invoking an editor, by
checking for any prior parameter callbacks, indicated by a non-zero
note_data.msg_nr. Remove the now-unneeded note_data.given flag.
Add a test for this regression by checking whether GIT_EDITOR is
invoked alongside "git notes add -C $empty_blob --allow-empty"
[1] https://github.com/ddiss/icyci/issues/12
Signed-off-by: David Disseldorp <ddiss@suse.de>
[jc: enhanced the test with -m/-F options]
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The comment surrounding check_pointer_eq() should explain about what
this function does instead of explaining check_int(). Correct this.
Signed-off-by: Kousik Sanagavarapu <five231003@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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l10n-2.46.0-rnd2
* tag 'l10n-2.46.0-rnd2' of https://github.com/git-l10n/git-po:
l10n: zh_CN: updated translation for 2.46
l10n: sv.po: Update Swedish translation
l10n: zh_TW: Git 2.46
l10n: Update German translation
l10n: vi: Updated translation for 2.46
l10n: uk: v2.46 update
l10n: bg.po: Updated Bulgarian translation (5734t)
l10n: fr: v2.46.0
l10n: tr: Update Turkish translations
l10n: po-id for 2.46
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Signed-off-by: Teng Long <dyroneteng@gmail.com>
Co-authored-by: 依云 <lilydjwg@gmail.com>
Reviewed-by: 依云 <lilydjwg@gmail.com>
Signed-off-by: Jiang Xin <worldhello.net@gmail.com>
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Signed-off-by: Peter Krefting <peter@softwolves.pp.se>
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* 'l10n/zh-TW/2024-07-24' of github.com:l10n-tw/git-po:
l10n: zh_TW: Git 2.46
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* 'l10n-de-2.46' of github.com:ralfth/git:
l10n: Update German translation
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* 'vi-2.46' of github.com:Nekosha/git-po:
l10n: vi: Updated translation for 2.46
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